Home / 125,669.86-173,420-69,080.83

Finding the Fourth Proportional to 125,669.86, 173,420 and 69,080.83

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Solution

The fourth proportional to 125,669.86, 173,420 and 69,080.83 is: 95,329.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,669.86 : 173,420 = 69,080.83 : x
  2. Step 2: Convert to fraction form
    125,669.86/173,420 = 69,080.83/x
  3. Step 3: Cross multiply
    125,669.86x = 173,420 × 69,080.83
  4. Step 4: Simplify right side
    125,669.86x = 11,979,997,538.60
  5. Step 5: Solve for x
    x = 11,979,997,538.60/125,669.86
  6. Step 6: Final answer
    x = 95,329.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.